MySQL Key Efficiency - Hitrate 100% ?

[NenadS]

Hi to all

On one of my Dedicated MySQL server I have Key Efficiency - Hitrate 100%. Please see screen's from MySQL Administarator.

Is that normal (good) or not?

Thanks a lot.

http://img104.imageshack.us/img104/5585/mysql01xt6.gif

http://img182.imageshack.us/img182/147/mysql02hv2.gif